* [PATCH v1 1/2] arm64: dts: imx8-apalis: add can power-up delay on ixora board
2023-10-20 15:30 [PATCH v1 0/2] imx6/imx8-apalis: add can power-up delay on ixora board Andrejs Cainikovs
@ 2023-10-20 15:30 ` Andrejs Cainikovs
2023-10-20 15:30 ` [PATCH v1 2/2] ARM: dts: imx6q-apalis: " Andrejs Cainikovs
2023-12-05 8:22 ` [PATCH v1 0/2] imx6/imx8-apalis: " Shawn Guo
2 siblings, 0 replies; 6+ messages in thread
From: Andrejs Cainikovs @ 2023-10-20 15:30 UTC (permalink / raw)
To: Pengutronix Kernel Team, Fabio Estevam, NXP Linux Team,
devicetree, linux-arm-kernel, linux-kernel
Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Andrejs Cainikovs
From: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
Newer variants of Ixora boards require a power-up delay when powering up
the CAN transceiver of up to 1ms.
Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
---
arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi b/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi
index 72136c436a70..f6654fdcb147 100644
--- a/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi
@@ -68,6 +68,7 @@ reg_can1_supply: regulator-can1-supply {
gpio = <&lsio_gpio5 22 GPIO_ACTIVE_HIGH>;
enable-active-high;
regulator-name = "can1_supply";
+ startup-delay-us = <1000>;
};
reg_can2_supply: regulator-can2-supply {
@@ -77,6 +78,7 @@ reg_can2_supply: regulator-can2-supply {
gpio = <&lsio_gpio2 8 GPIO_ACTIVE_HIGH>;
enable-active-high;
regulator-name = "can2_supply";
+ startup-delay-us = <1000>;
};
reg_usb_host_vbus: regulator-usb-host-vbus {
--
2.34.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v1 2/2] ARM: dts: imx6q-apalis: add can power-up delay on ixora board
2023-10-20 15:30 [PATCH v1 0/2] imx6/imx8-apalis: add can power-up delay on ixora board Andrejs Cainikovs
2023-10-20 15:30 ` [PATCH v1 1/2] arm64: dts: imx8-apalis: " Andrejs Cainikovs
@ 2023-10-20 15:30 ` Andrejs Cainikovs
2023-11-27 2:52 ` Shawn Guo
2023-12-05 8:22 ` [PATCH v1 0/2] imx6/imx8-apalis: " Shawn Guo
2 siblings, 1 reply; 6+ messages in thread
From: Andrejs Cainikovs @ 2023-10-20 15:30 UTC (permalink / raw)
To: Pengutronix Kernel Team, Fabio Estevam, NXP Linux Team,
devicetree, linux-arm-kernel, linux-kernel
Cc: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Shawn Guo,
Sascha Hauer, Andrejs Cainikovs, stable
From: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
Newer variants of Ixora boards require a power-up delay when powering up
the CAN transceiver of up to 1ms.
Cc: stable@vger.kernel.org
Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
---
arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
index 717decda0ceb..3ac7a4501620 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
@@ -76,6 +76,7 @@ reg_can1_supply: regulator-can1-supply {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enable_can1_power>;
regulator-name = "can1_supply";
+ startup-delay-us = <1000>;
};
reg_can2_supply: regulator-can2-supply {
@@ -85,6 +86,7 @@ reg_can2_supply: regulator-can2-supply {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enable_can2_power>;
regulator-name = "can2_supply";
+ startup-delay-us = <1000>;
};
};
--
2.34.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* Re: [PATCH v1 2/2] ARM: dts: imx6q-apalis: add can power-up delay on ixora board
2023-10-20 15:30 ` [PATCH v1 2/2] ARM: dts: imx6q-apalis: " Andrejs Cainikovs
@ 2023-11-27 2:52 ` Shawn Guo
2023-11-27 10:13 ` Francesco Dolcini
0 siblings, 1 reply; 6+ messages in thread
From: Shawn Guo @ 2023-11-27 2:52 UTC (permalink / raw)
To: Andrejs Cainikovs
Cc: Pengutronix Kernel Team, Fabio Estevam, NXP Linux Team,
devicetree, linux-arm-kernel, linux-kernel, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Sascha Hauer,
Andrejs Cainikovs, stable
On Fri, Oct 20, 2023 at 05:30:22PM +0200, Andrejs Cainikovs wrote:
> From: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
>
> Newer variants of Ixora boards require a power-up delay when powering up
> the CAN transceiver of up to 1ms.
>
> Cc: stable@vger.kernel.org
Why is only the iMX6 change required for stable?
Shawn
> Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
> ---
> arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
> index 717decda0ceb..3ac7a4501620 100644
> --- a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
> +++ b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
> @@ -76,6 +76,7 @@ reg_can1_supply: regulator-can1-supply {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_enable_can1_power>;
> regulator-name = "can1_supply";
> + startup-delay-us = <1000>;
> };
>
> reg_can2_supply: regulator-can2-supply {
> @@ -85,6 +86,7 @@ reg_can2_supply: regulator-can2-supply {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_enable_can2_power>;
> regulator-name = "can2_supply";
> + startup-delay-us = <1000>;
> };
> };
>
> --
> 2.34.1
>
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [PATCH v1 2/2] ARM: dts: imx6q-apalis: add can power-up delay on ixora board
2023-11-27 2:52 ` Shawn Guo
@ 2023-11-27 10:13 ` Francesco Dolcini
0 siblings, 0 replies; 6+ messages in thread
From: Francesco Dolcini @ 2023-11-27 10:13 UTC (permalink / raw)
To: Shawn Guo
Cc: Andrejs Cainikovs, Pengutronix Kernel Team, Fabio Estevam,
NXP Linux Team, devicetree, linux-arm-kernel, linux-kernel,
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Sascha Hauer,
Andrejs Cainikovs, stable
On Mon, Nov 27, 2023 at 10:52:18AM +0800, Shawn Guo wrote:
> On Fri, Oct 20, 2023 at 05:30:22PM +0200, Andrejs Cainikovs wrote:
> > From: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
> >
> > Newer variants of Ixora boards require a power-up delay when powering up
> > the CAN transceiver of up to 1ms.
> >
> > Cc: stable@vger.kernel.org
>
> Why is only the iMX6 change required for stable?
From what I know currently apalis-imx8 is not yet used in products
with a mainline kernel therefore the assumption that the backporting
would add very small value, however maybe is better to just backport
both to stable.
Francesco
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v1 0/2] imx6/imx8-apalis: add can power-up delay on ixora board
2023-10-20 15:30 [PATCH v1 0/2] imx6/imx8-apalis: add can power-up delay on ixora board Andrejs Cainikovs
2023-10-20 15:30 ` [PATCH v1 1/2] arm64: dts: imx8-apalis: " Andrejs Cainikovs
2023-10-20 15:30 ` [PATCH v1 2/2] ARM: dts: imx6q-apalis: " Andrejs Cainikovs
@ 2023-12-05 8:22 ` Shawn Guo
2 siblings, 0 replies; 6+ messages in thread
From: Shawn Guo @ 2023-12-05 8:22 UTC (permalink / raw)
To: Andrejs Cainikovs
Cc: Pengutronix Kernel Team, Fabio Estevam, NXP Linux Team,
devicetree, linux-arm-kernel, linux-kernel, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Sascha Hauer,
Andrejs Cainikovs
On Fri, Oct 20, 2023 at 05:30:20PM +0200, Andrejs Cainikovs wrote:
> From: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
>
> Newer variants of Ixora boards require a power-up delay when powering up
> the CAN transceiver of up to 1ms. This series adds mentioned delay for
> iMX6 and iMX8 Apalis SoM variants.
>
> Andrejs Cainikovs (2):
> arm64: dts: imx8-apalis: add can power-up delay on ixora board
> ARM: dts: imx6q-apalis: add can power-up delay on ixora board
Applied both, thanks!
^ permalink raw reply [flat|nested] 6+ messages in thread